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Finding the Fourth Proportional to 37,396.64, 51,607.94 and 20,629.64

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Solution

The fourth proportional to 37,396.64, 51,607.94 and 20,629.64 is: 28,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396.64 : 51,607.94 = 20,629.64 : x
  2. Step 2: Convert to fraction form
    37,396.64/51,607.94 = 20,629.64/x
  3. Step 3: Cross multiply
    37,396.64x = 51,607.94 × 20,629.64
  4. Step 4: Simplify right side
    37,396.64x = 1,064,653,223.34
  5. Step 5: Solve for x
    x = 1,064,653,223.34/37,396.64
  6. Step 6: Final answer
    x = 28,469.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.